15013949 has 2 divisors, whose sum is σ = 15013950. Its totient is φ = 15013948.

The previous prime is 15013939. The next prime is 15013969. The reversal of 15013949 is 94931051.

15013949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13468900 + 1545049 = 3670^2 + 1243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15013949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15013939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7506974 + 7506975.

It is an arithmetic number, because the mean of its divisors is an integer number (7506975).

Almost surely, 2^15013949 is an apocalyptic number.

It is an amenable number.

15013949 is a deficient number, since it is larger than the sum of its proper divisors (1).

15013949 is an equidigital number, since it uses as much as digits as its factorization.

15013949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 15013949 is about 3874.7837359006. The cubic root of 15013949 is about 246.6976308422.

The spelling of 15013949 in words is "fifteen million, thirteen thousand, nine hundred forty-nine".