12981762 has 32 divisors (see below), whose sum is σ = 28978560. Its totient is φ = 4307760.

The previous prime is 12981751. The next prime is 12981797. The reversal of 12981762 is 26718921.

It is a super-2 number, since 2×12981762² = 337052289249288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16408 + ... + 17180.

It is an arithmetic number, because the mean of its divisors is an integer number (905580).

Almost surely, 2^12981762 is an apocalyptic number.

12981762 is an abundant number, since it is smaller than the sum of its proper divisors (15996798).

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

12981762 is a wasteful number, since it uses less digits than its factorization.

12981762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095 (or 1089 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 12981762 is about 3603.0212322439. The cubic root of 12981762 is about 235.0234592546.

The spelling of 12981762 in words is "twelve million, nine hundred eighty-one thousand, seven hundred sixty-two".