13047951 has 16 divisors (see below), whose sum is σ = 19948544. Its totient is φ = 7431264.

The previous prime is 13047949. The next prime is 13047967. The reversal of 13047951 is 15974031.

13047951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13047951 - 2¹ = 13047949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13047971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6861 + ... + 8553.

It is an arithmetic number, because the mean of its divisors is an integer number (1246784).

Almost surely, 2^13047951 is an apocalyptic number.

13047951 is a deficient number, since it is larger than the sum of its proper divisors (6900593).

13047951 is a wasteful number, since it uses less digits than its factorization.

13047951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 13047951 is about 3612.1947621910. The cubic root of 13047951 is about 235.4222136614.

The spelling of 13047951 in words is "thirteen million, forty-seven thousand, nine hundred fifty-one".