12494920 has 32 divisors (see below), whose sum is σ = 28252800. Its totient is φ = 4973248.

The previous prime is 12494893. The next prime is 12494921. The reversal of 12494920 is 2949421.

It is a happy number.

It is a super-2 number, since 2×12494920² = 312246051612800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12494921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8907 + ... + 10213.

It is an arithmetic number, because the mean of its divisors is an integer number (882900).

Almost surely, 2^12494920 is an apocalyptic number.

12494920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12494920 is an abundant number, since it is smaller than the sum of its proper divisors (15757880).

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

12494920 is a wasteful number, since it uses less digits than its factorization.

12494920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557 (or 1553 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12494920 is about 3534.8154124367. The cubic root of 12494920 is about 232.0479983924.

The spelling of 12494920 in words is "twelve million, four hundred ninety-four thousand, nine hundred twenty".