12752690 has 8 divisors (see below), whose sum is σ = 22954860. Its totient is φ = 5101072.

The previous prime is 12752689. The next prime is 12752711. The reversal of 12752690 is 9625721.

It can be written as a sum of positive squares in 2 ways, for example, as 12623809 + 128881 = 3553^2 + 359^2 .

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

It is a super-2 number, since 2×12752690² = 325262204472200, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 637625 + ... + 637644.

Almost surely, 2^12752690 is an apocalyptic number.

12752690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12752690 is a deficient number, since it is larger than the sum of its proper divisors (10202170).

12752690 is a wasteful number, since it uses less digits than its factorization.

12752690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275276.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 12752690 is about 3571.0908697483. The cubic root of 12752690 is about 233.6328647583.

The spelling of 12752690 in words is "twelve million, seven hundred fifty-two thousand, six hundred ninety".