13137401 has 2 divisors, whose sum is σ = 13137402. Its totient is φ = 13137400.

The previous prime is 13137367. The next prime is 13137409. The reversal of 13137401 is 10473131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12996025 + 141376 = 3605^2 + 376^2 .

It is a cyclic number.

It is not a de Polignac number, because 13137401 - 2⁶ = 13137337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13137409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6568700 + 6568701.

It is an arithmetic number, because the mean of its divisors is an integer number (6568701).

Almost surely, 2^13137401 is an apocalyptic number.

It is an amenable number.

13137401 is a deficient number, since it is larger than the sum of its proper divisors (1).

13137401 is an equidigital number, since it uses as much as digits as its factorization.

13137401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 13137401 is about 3624.5552830658. Note that the first 3 decimals coincide. The cubic root of 13137401 is about 235.9589665804.

The spelling of 13137401 in words is "thirteen million, one hundred thirty-seven thousand, four hundred one".