12635432 has 8 divisors (see below), whose sum is σ = 23691450. Its totient is φ = 6317712.

The previous prime is 12635423. The next prime is 12635453. The reversal of 12635432 is 23453621.

It can be written as a sum of positive squares in only one way, i.e., 12292036 + 343396 = 3506^2 + 586^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789707 + ... + 789722.

Almost surely, 2^12635432 is an apocalyptic number.

It is an amenable number.

12635432 is a deficient number, since it is larger than the sum of its proper divisors (11056018).

12635432 is a wasteful number, since it uses less digits than its factorization.

12635432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579435 (or 1579431 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 12635432 is about 3554.6352836824. The cubic root of 12635432 is about 232.9145922856.

The spelling of 12635432 in words is "twelve million, six hundred thirty-five thousand, four hundred thirty-two".