13148931 has 8 divisors (see below), whose sum is σ = 18454720. Its totient is φ = 8304552.

The previous prime is 13148903. The next prime is 13148953. The reversal of 13148931 is 13984131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13148931 - 2⁵ = 13148899 is a prime.

It is a super-2 number, since 2×13148931² = 345788772885522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13148131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115285 + ... + 115398.

It is an arithmetic number, because the mean of its divisors is an integer number (2306840).

Almost surely, 2^13148931 is an apocalyptic number.

13148931 is a deficient number, since it is larger than the sum of its proper divisors (5305789).

13148931 is a wasteful number, since it uses less digits than its factorization.

13148931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230705.

The product of its digits is 2592, while the sum is 30.

The square root of 13148931 is about 3626.1454741916. The cubic root of 13148931 is about 236.0279759519.

The spelling of 13148931 in words is "thirteen million, one hundred forty-eight thousand, nine hundred thirty-one".