12484390 has 16 divisors (see below), whose sum is σ = 22558032. Its totient is φ = 4974624.

The previous prime is 12484363. The next prime is 12484397. The reversal of 12484390 is 9348421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12484397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517 + ... + 5023.

It is an arithmetic number, because the mean of its divisors is an integer number (1409877).

Almost surely, 2^12484390 is an apocalyptic number.

12484390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12484390 is a deficient number, since it is larger than the sum of its proper divisors (10073642).

12484390 is a wasteful number, since it uses less digits than its factorization.

12484390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 12484390 is about 3533.3256289224. The cubic root of 12484390 is about 231.9827945029.

It can be divided in two parts, 12484 and 390, that multiplied together give a triangular number (4868760 = T₃₁₂₀).

The spelling of 12484390 in words is "twelve million, four hundred eighty-four thousand, three hundred ninety".