13751901 has 24 divisors (see below), whose sum is σ = 20765784. Its totient is φ = 8760960.

The previous prime is 13751891. The next prime is 13751909. The reversal of 13751901 is 10915731.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5336100 + 8415801 = 2310^2 + 2901^2 .

It is not a de Polignac number, because 13751901 - 2⁵ = 13751869 is a prime.

It is a super-2 number, since 2×13751901² = 378229562227602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13751909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19975 + ... + 20651.

It is an arithmetic number, because the mean of its divisors is an integer number (865241).

Almost surely, 2^13751901 is an apocalyptic number.

It is an amenable number.

13751901 is a deficient number, since it is larger than the sum of its proper divisors (7013883).

13751901 is a wasteful number, since it uses less digits than its factorization.

13751901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 13751901 is about 3708.3555654764. The cubic root of 13751901 is about 239.5820329373.

The spelling of 13751901 in words is "thirteen million, seven hundred fifty-one thousand, nine hundred one".