13435972 has 12 divisors (see below), whose sum is σ = 25650576. Its totient is φ = 6107240.

The previous prime is 13435963. The next prime is 13435997. The reversal of 13435972 is 27953431.

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, 152638 + ... + 152725.

It is an arithmetic number, because the mean of its divisors is an integer number (2137548).

Almost surely, 2^13435972 is an apocalyptic number.

It is an amenable number.

13435972 is a deficient number, since it is larger than the sum of its proper divisors (12214604).

13435972 is a wasteful number, since it uses less digits than its factorization.

13435972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305378 (or 305376 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 13435972 is about 3665.5111512584. The cubic root of 13435972 is about 237.7331236365.

It can be divided in two parts, 134359 and 72, that added together give a palindrome (134431).

The spelling of 13435972 in words is "thirteen million, four hundred thirty-five thousand, nine hundred seventy-two".