12635442 has 12 divisors (see below), whose sum is σ = 27376830. Its totient is φ = 4211808.

The previous prime is 12635423. The next prime is 12635453. The reversal of 12635442 is 24453621.

It can be written as a sum of positive squares in only one way, i.e., 11964681 + 670761 = 3459^2 + 819^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 350967 + ... + 351002.

Almost surely, 2^12635442 is an apocalyptic number.

12635442 is an abundant number, since it is smaller than the sum of its proper divisors (14741388).

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

12635442 is a wasteful number, since it uses less digits than its factorization.

12635442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701977 (or 701974 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 12635442 is about 3554.6366902962. The cubic root of 12635442 is about 232.9146537304.

The spelling of 12635442 in words is "twelve million, six hundred thirty-five thousand, four hundred forty-two".