13249237 has 2 divisors, whose sum is σ = 13249238. Its totient is φ = 13249236.

The previous prime is 13249189. The next prime is 13249267. The reversal of 13249237 is 73294231.

13249237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12680721 + 568516 = 3561^2 + 754^2 .

It is a cyclic number.

It is not a de Polignac number, because 13249237 - 2¹⁹ = 12724949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13249199 and 13249208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13249267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6624618 + 6624619.

It is an arithmetic number, because the mean of its divisors is an integer number (6624619).

Almost surely, 2^13249237 is an apocalyptic number.

It is an amenable number.

13249237 is a deficient number, since it is larger than the sum of its proper divisors (1).

13249237 is an equidigital number, since it uses as much as digits as its factorization.

13249237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 31.

The square root of 13249237 is about 3639.9501370211. The cubic root of 13249237 is about 236.6266323430.

The spelling of 13249237 in words is "thirteen million, two hundred forty-nine thousand, two hundred thirty-seven".