13390901 has 4 divisors (see below), whose sum is σ = 13574412. Its totient is φ = 13207392.

The previous prime is 13390873. The next prime is 13390907. The reversal of 13390901 is 10909331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10909331 = 229 ⋅47639.

It can be written as a sum of positive squares in 2 ways, for example, as 5410276 + 7980625 = 2326^2 + 2825^2 .

It is a cyclic number.

It is not a de Polignac number, because 13390901 - 2¹⁸ = 13128757 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 (13390907) 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 3 ways as a sum of consecutive naturals, for example, 91646 + ... + 91791.

It is an arithmetic number, because the mean of its divisors is an integer number (3393603).

Almost surely, 2^13390901 is an apocalyptic number.

It is an amenable number.

13390901 is a deficient number, since it is larger than the sum of its proper divisors (183511).

13390901 is an equidigital number, since it uses as much as digits as its factorization.

13390901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183510.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 13390901 is about 3659.3580038034. The cubic root of 13390901 is about 237.4670004012.

The spelling of 13390901 in words is "thirteen million, three hundred ninety thousand, nine hundred one".