12951672 has 16 divisors (see below), whose sum is σ = 32379240. Its totient is φ = 4317216.

The previous prime is 12951667. The next prime is 12951677. The reversal of 12951672 is 27615921.

It is an interprime number because it is at equal distance from previous prime (12951667) and next prime (12951677).

It is a super-5 number, since 5×12951672⁵ (a number of 37 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12951677) 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, 269803 + ... + 269850.

Almost surely, 2^12951672 is an apocalyptic number.

12951672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12951672 is an abundant number, since it is smaller than the sum of its proper divisors (19427568).

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

12951672 is a wasteful number, since it uses less digits than its factorization.

12951672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539662 (or 539658 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 12951672 is about 3598.8431474572. The cubic root of 12951672 is about 234.8417343904.

The spelling of 12951672 in words is "twelve million, nine hundred fifty-one thousand, six hundred seventy-two".