12553432 has 16 divisors (see below), whose sum is σ = 23576760. Its totient is φ = 6266304.

The previous prime is 12553417. The next prime is 12553451. The reversal of 12553432 is 23435521.

It is a junction number, because it is equal to n+sod(n) for n = 12553397 and 12553406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6748 + ... + 8404.

Almost surely, 2^12553432 is an apocalyptic number.

It is an amenable number.

12553432 is a deficient number, since it is larger than the sum of its proper divisors (11023328).

12553432 is a wasteful number, since it uses less digits than its factorization.

12553432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610 (or 2606 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 12553432 is about 3543.0822739530. The cubic root of 12553432 is about 232.4096507931.

Adding to 12553432 its reverse (23435521), we get a palindrome (35988953).

The spelling of 12553432 in words is "twelve million, five hundred fifty-three thousand, four hundred thirty-two".