12635492 has 6 divisors (see below), whose sum is σ = 22112118. Its totient is φ = 6317744.

The previous prime is 12635461. The next prime is 12635509. The reversal of 12635492 is 29453621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12348196 + 287296 = 3514^2 + 536^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1579433 + ... + 1579440.

It is an arithmetic number, because the mean of its divisors is an integer number (3685353).

Almost surely, 2^12635492 is an apocalyptic number.

It is an amenable number.

12635492 is a deficient number, since it is larger than the sum of its proper divisors (9476626).

12635492 is a wasteful number, since it uses less digits than its factorization.

12635492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158877 (or 3158875 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 12635492 is about 3554.6437233568. The cubic root of 12635492 is about 232.9149609540.

It can be divided in two parts, 1263 and 5492, that multiplied together give a palindrome (6936396).

The spelling of 12635492 in words is "twelve million, six hundred thirty-five thousand, four hundred ninety-two".