13897093 has 12 divisors (see below), whose sum is σ = 16123872. Its totient is φ = 11733120.

The previous prime is 13897087. The next prime is 13897097. The reversal of 13897093 is 39079831.

It is a de Polignac number, because none of the positive numbers 2^k-13897093 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13897097) 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, 65758 + ... + 65968.

It is an arithmetic number, because the mean of its divisors is an integer number (1343656).

Almost surely, 2^13897093 is an apocalyptic number.

It is an amenable number.

13897093 is a deficient number, since it is larger than the sum of its proper divisors (2226779).

13897093 is an frugal number, since it uses more digits than its factorization.

13897093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 13897093 is about 3727.8804970117. The cubic root of 13897093 is about 240.4222485714.

The spelling of 13897093 in words is "thirteen million, eight hundred ninety-seven thousand, ninety-three".