13902397 has 8 divisors (see below), whose sum is σ = 14427000. Its totient is φ = 13380864.

The previous prime is 13902367. The next prime is 13902401. The reversal of 13902397 is 79320931.

It can be written as a sum of positive squares in 4 ways, for example, as 7806436 + 6095961 = 2794^2 + 2469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13902397 - 2¹⁵ = 13869629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13902307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12729 + ... + 13777.

It is an arithmetic number, because the mean of its divisors is an integer number (1803375).

Almost surely, 2^13902397 is an apocalyptic number.

It is an amenable number.

13902397 is a deficient number, since it is larger than the sum of its proper divisors (524603).

13902397 is a wasteful number, since it uses less digits than its factorization.

13902397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 13902397 is about 3728.5918253410. The cubic root of 13902397 is about 240.4528314041.

The spelling of 13902397 in words is "thirteen million, nine hundred two thousand, three hundred ninety-seven".