13397427 has 16 divisors (see below), whose sum is σ = 19932160. Its totient is φ = 8893800.

The previous prime is 13397407. The next prime is 13397443. The reversal of 13397427 is 72479331.

It is not a de Polignac number, because 13397427 - 2²³ = 5008819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13397391 and 13397400.

It is not an unprimeable number, because it can be changed into a prime (13397407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6402 + ... + 8232.

It is an arithmetic number, because the mean of its divisors is an integer number (1245760).

Almost surely, 2^13397427 is an apocalyptic number.

13397427 is a deficient number, since it is larger than the sum of its proper divisors (6534733).

13397427 is a wasteful number, since it uses less digits than its factorization.

13397427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111 (or 2105 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 13397427 is about 3660.2495816542. The cubic root of 13397427 is about 237.5055703218.

It can be divided in two parts, 13397 and 427, that added together give a cube (13824 = 24³).

The spelling of 13397427 in words is "thirteen million, three hundred ninety-seven thousand, four hundred twenty-seven".