12951612 has 18 divisors (see below), whose sum is σ = 32738888. Its totient is φ = 4317192.

The previous prime is 12951611. The next prime is 12951623. The reversal of 12951612 is 21615921.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12951611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 179848 + ... + 179919.

Almost surely, 2^12951612 is an apocalyptic number.

12951612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12951612 is an abundant number, since it is smaller than the sum of its proper divisors (19787276).

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

12951612 is a wasteful number, since it uses less digits than its factorization.

12951612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359777 (or 359772 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 12951612 is about 3598.8348114355. The cubic root of 12951612 is about 234.8413717467.

The spelling of 12951612 in words is "twelve million, nine hundred fifty-one thousand, six hundred twelve".