13102949 has 2 divisors, whose sum is σ = 13102950. Its totient is φ = 13102948.

The previous prime is 13102927. The next prime is 13102967. The reversal of 13102949 is 94920131.

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., 8008900 + 5094049 = 2830^2 + 2257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13102949 is a prime.

It is a Chen prime.

It is equal to p₈₅₅₄₆₁ and since 13102949 and 855461 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13102909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6551474 + 6551475.

It is an arithmetic number, because the mean of its divisors is an integer number (6551475).

Almost surely, 2^13102949 is an apocalyptic number.

It is an amenable number.

13102949 is a deficient number, since it is larger than the sum of its proper divisors (1).

13102949 is an equidigital number, since it uses as much as digits as its factorization.

13102949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 13102949 is about 3619.7995800873. The cubic root of 13102949 is about 235.7525235444.

The spelling of 13102949 in words is "thirteen million, one hundred two thousand, nine hundred forty-nine".