13600971 has 36 divisors (see below), whose sum is σ = 21503040. Its totient is φ = 8265600.

The previous prime is 13600967. The next prime is 13600999. The reversal of 13600971 is 17900631.

It is not a de Polignac number, because 13600971 - 2² = 13600967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13600921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 331711 + ... + 331751.

Almost surely, 2^13600971 is an apocalyptic number.

13600971 is a deficient number, since it is larger than the sum of its proper divisors (7902069).

13600971 is a wasteful number, since it uses less digits than its factorization.

13600971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 13600971 is about 3687.9494302390. The cubic root of 13600971 is about 238.7023189963.

The spelling of 13600971 in words is "thirteen million, six hundred thousand, nine hundred seventy-one".