13149937 has 2 divisors, whose sum is σ = 13149938. Its totient is φ = 13149936.

The previous prime is 13149931. The next prime is 13149973. The reversal of 13149937 is 73994131.

13149937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (13149973) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12952801 + 197136 = 3599^2 + 444^2 .

It is a cyclic number.

It is not a de Polignac number, because 13149937 - 2⁷ = 13149809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13149896 and 13149905.

It is not a weakly prime, because it can be changed into another prime (13149931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6574968 + 6574969.

It is an arithmetic number, because the mean of its divisors is an integer number (6574969).

Almost surely, 2^13149937 is an apocalyptic number.

It is an amenable number.

13149937 is a deficient number, since it is larger than the sum of its proper divisors (1).

13149937 is an equidigital number, since it uses as much as digits as its factorization.

13149937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 37.

The square root of 13149937 is about 3626.2841863263. The cubic root of 13149937 is about 236.0339951507.

The spelling of 13149937 in words is "thirteen million, one hundred forty-nine thousand, nine hundred thirty-seven".