15049013 has 4 divisors (see below), whose sum is σ = 17198880. Its totient is φ = 12899148.

The previous prime is 15049003. The next prime is 15049019. The reversal of 15049013 is 31094051.

It is a happy number.

15049013 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31094051 = 19 ⋅1636529.

It is a cyclic number.

It is not a de Polignac number, because 15049013 - 2⁶ = 15048949 is a prime.

It is a Duffinian number.

15049013 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 15049013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15049019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074923 + ... + 1074936.

It is an arithmetic number, because the mean of its divisors is an integer number (4299720).

Almost surely, 2^15049013 is an apocalyptic number.

It is an amenable number.

15049013 is a deficient number, since it is larger than the sum of its proper divisors (2149867).

15049013 is an equidigital number, since it uses as much as digits as its factorization.

15049013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149866.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 15049013 is about 3879.3057368555. The cubic root of 15049013 is about 246.8895297329.

The spelling of 15049013 in words is "fifteen million, forty-nine thousand, thirteen".