12813672 has 32 divisors (see below), whose sum is σ = 32150880. Its totient is φ = 4255680.

The previous prime is 12813667. The next prime is 12813677. The reversal of 12813672 is 27631821.

It is an interprime number because it is at equal distance from previous prime (12813667) and next prime (12813677).

It is not an unprimeable number, because it can be changed into a prime (12813677) 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, 7138 + ... + 8750.

It is an arithmetic number, because the mean of its divisors is an integer number (1004715).

Almost surely, 2^12813672 is an apocalyptic number.

12813672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12813672 is an abundant number, since it is smaller than the sum of its proper divisors (19337208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12813672 is a wasteful number, since it uses less digits than its factorization.

12813672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953 (or 1949 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 12813672 is about 3579.6189741368. The cubic root of 12813672 is about 234.0046751933.

The spelling of 12813672 in words is "twelve million, eight hundred thirteen thousand, six hundred seventy-two".