12491704 has 8 divisors (see below), whose sum is σ = 23421960. Its totient is φ = 6245848.

The previous prime is 12491701. The next prime is 12491723. The reversal of 12491704 is 40719421.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12491701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780724 + ... + 780739.

It is an arithmetic number, because the mean of its divisors is an integer number (2927745).

Almost surely, 2^12491704 is an apocalyptic number.

It is an amenable number.

12491704 is a deficient number, since it is larger than the sum of its proper divisors (10930256).

12491704 is a wasteful number, since it uses less digits than its factorization.

12491704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561469 (or 1561465 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 12491704 is about 3534.3604796342. The cubic root of 12491704 is about 232.0280881569.

The spelling of 12491704 in words is "twelve million, four hundred ninety-one thousand, seven hundred four".