13952997 has 12 divisors (see below), whose sum is σ = 20646444. Its totient is φ = 9074880.

The previous prime is 13952947. The next prime is 13952999. The reversal of 13952997 is 79925931.

It is a happy number.

13952997 is a `hidden beast` number, since 1 + 39 + 529 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 181476 + 13771521 = 426^2 + 3711^2 .

It is not a de Polignac number, because 13952997 - 2¹² = 13948901 is a prime.

It is a super-2 number, since 2×13952997² = 389372250564018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13952999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18538 + ... + 19275.

It is an arithmetic number, because the mean of its divisors is an integer number (1720537).

Almost surely, 2^13952997 is an apocalyptic number.

It is an amenable number.

13952997 is a deficient number, since it is larger than the sum of its proper divisors (6693447).

13952997 is a wasteful number, since it uses less digits than its factorization.

13952997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37860 (or 37857 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 13952997 is about 3735.3710659050. The cubic root of 13952997 is about 240.7442003889.

The spelling of 13952997 in words is "thirteen million, nine hundred fifty-two thousand, nine hundred ninety-seven".