12973490 has 8 divisors (see below), whose sum is σ = 23352300. Its totient is φ = 5189392.

The previous prime is 12973483. The next prime is 12973511. The reversal of 12973490 is 9437921.

It can be written as a sum of positive squares in 2 ways, for example, as 12482089 + 491401 = 3533^2 + 701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12973490² = 336622885560200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12973490.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648665 + ... + 648684.

Almost surely, 2^12973490 is an apocalyptic number.

12973490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12973490 is a deficient number, since it is larger than the sum of its proper divisors (10378810).

12973490 is a wasteful number, since it uses less digits than its factorization.

12973490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297356.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 12973490 is about 3601.8731238066. The cubic root of 12973490 is about 234.9735295370.

The spelling of 12973490 in words is "twelve million, nine hundred seventy-three thousand, four hundred ninety".