14991552 has 84 divisors (see below), whose sum is σ = 45527976. Its totient is φ = 4700160.

The previous prime is 14991541. The next prime is 14991553. The reversal of 14991552 is 25519941.

14991552 is a `hidden beast` number, since 14 + 9 + 91 + 552 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (14991553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9027 + ... + 10557.

Almost surely, 2^14991552 is an apocalyptic number.

14991552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14991552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22763988).

14991552 is an abundant number, since it is smaller than the sum of its proper divisors (30536424).

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

14991552 is a wasteful number, since it uses less digits than its factorization.

14991552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566 (or 1553 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 14991552 is about 3871.8925604929. The cubic root of 14991552 is about 246.5748997171.

The spelling of 14991552 in words is "fourteen million, nine hundred ninety-one thousand, five hundred fifty-two".