12702990 has 32 divisors (see below), whose sum is σ = 30790656. Its totient is φ = 3353760.

The previous prime is 12702979. The next prime is 12703003. The reversal of 12702990 is 9920721.

It is a super-2 number, since 2×12702990² = 322731909880200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1035 + ... + 5145.

It is an arithmetic number, because the mean of its divisors is an integer number (962208).

Almost surely, 2^12702990 is an apocalyptic number.

12702990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12702990 is an abundant number, since it is smaller than the sum of its proper divisors (18087666).

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

12702990 is a wasteful number, since it uses less digits than its factorization.

12702990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 12702990 is about 3564.1254186687. The cubic root of 12702990 is about 233.3289636370.

The spelling of 12702990 in words is "twelve million, seven hundred two thousand, nine hundred ninety".