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13230774 = 232735043
BaseRepresentation
bin110010011110…
…001010110110
3220220012012200
4302132022312
511341341044
61151325330
7220313454
oct62361266
926805180
1013230774
117517527
124520846
13298327b
141a859d4
151265369
hexc9e2b6

13230774 has 12 divisors (see below), whose sum is σ = 28666716. Its totient is φ = 4410252.

The previous prime is 13230731. The next prime is 13230787. The reversal of 13230774 is 47703231.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 367504 + ... + 367539.

It is an arithmetic number, because the mean of its divisors is an integer number (2388893).

Almost surely, 213230774 is an apocalyptic number.

13230774 is an abundant number, since it is smaller than the sum of its proper divisors (15435942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13230774 is a wasteful number, since it uses less digits than its factorization.

13230774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735051 (or 735048 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 13230774 is about 3637.4130917453. The cubic root of 13230774 is about 236.5166670564.

The spelling of 13230774 in words is "thirteen million, two hundred thirty thousand, seven hundred seventy-four".

Divisors: 1 2 3 6 9 18 735043 1470086 2205129 4410258 6615387 13230774