12497788 has 24 divisors (see below), whose sum is σ = 23284800. Its totient is φ = 5849088.

The previous prime is 12497783. The next prime is 12497789. The reversal of 12497788 is 88779421.

It is a hoax number, since the sum of its digits (46) 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 (12497783) 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, 15868 + ... + 16636.

It is an arithmetic number, because the mean of its divisors is an integer number (970200).

Almost surely, 2^12497788 is an apocalyptic number.

It is an amenable number.

12497788 is a deficient number, since it is larger than the sum of its proper divisors (10787012).

12497788 is a wasteful number, since it uses less digits than its factorization.

12497788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1027 counting only the distinct ones).

The product of its digits is 225792, while the sum is 46.

The square root of 12497788 is about 3535.2210680522. The cubic root of 12497788 is about 232.0657512804.

The spelling of 12497788 in words is "twelve million, four hundred ninety-seven thousand, seven hundred eighty-eight".