13251901 has 4 divisors (see below), whose sum is σ = 14271292. Its totient is φ = 12232512.

The previous prime is 13251881. The next prime is 13251923. The reversal of 13251901 is 10915231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10915231 = 1303 ⋅8377.

It can be written as a sum of positive squares in 2 ways, for example, as 8732025 + 4519876 = 2955^2 + 2126^2 .

It is a cyclic number.

It is not a de Polignac number, because 13251901 - 2⁷ = 13251773 is a prime.

It is a super-2 number, since 2×13251901² = 351225760227602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13251941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509676 + ... + 509701.

It is an arithmetic number, because the mean of its divisors is an integer number (3567823).

Almost surely, 2^13251901 is an apocalyptic number.

It is an amenable number.

13251901 is a deficient number, since it is larger than the sum of its proper divisors (1019391).

13251901 is a wasteful number, since it uses less digits than its factorization.

13251901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019390.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 13251901 is about 3640.3160577071. The cubic root of 13251901 is about 236.6424906425.

The spelling of 13251901 in words is "thirteen million, two hundred fifty-one thousand, nine hundred one".