13906297 has 4 divisors (see below), whose sum is σ = 13913856. Its totient is φ = 13898740.

The previous prime is 13906261. The next prime is 13906327. The reversal of 13906297 is 79260931.

13906297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 79260931 = 97 ⋅817123.

It is a cyclic number.

It is not a de Polignac number, because 13906297 - 2⁷ = 13906169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13906097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 972 + ... + 5362.

It is an arithmetic number, because the mean of its divisors is an integer number (3478464).

Almost surely, 2^13906297 is an apocalyptic number.

It is an amenable number.

13906297 is a deficient number, since it is larger than the sum of its proper divisors (7559).

13906297 is an equidigital number, since it uses as much as digits as its factorization.

13906297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7558.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 13906297 is about 3729.1147743131. The cubic root of 13906297 is about 240.4753138188.

The spelling of 13906297 in words is "thirteen million, nine hundred six thousand, two hundred ninety-seven".