13427432 has 8 divisors (see below), whose sum is σ = 25176450. Its totient is φ = 6713712.

The previous prime is 13427413. The next prime is 13427443. The reversal of 13427432 is 23472431.

13427432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11874916 + 1552516 = 3446^2 + 1246^2 .

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

It is a super-2 number, since 2×13427432² = 360591860229248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839207 + ... + 839222.

Almost surely, 2^13427432 is an apocalyptic number.

It is an amenable number.

13427432 is a deficient number, since it is larger than the sum of its proper divisors (11749018).

13427432 is a wasteful number, since it uses less digits than its factorization.

13427432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678435 (or 1678431 counting only the distinct ones).

The product of its digits is 4032, while the sum is 26.

The square root of 13427432 is about 3664.3460535272. The cubic root of 13427432 is about 237.6827446694.

Adding to 13427432 its reverse (23472431), we get a palindrome (36899863).

The spelling of 13427432 in words is "thirteen million, four hundred twenty-seven thousand, four hundred thirty-two".