12702490 has 8 divisors (see below), whose sum is σ = 22864500. Its totient is φ = 5080992.

The previous prime is 12702439. The next prime is 12702491. The reversal of 12702490 is 9420721.

It can be written as a sum of positive squares in 2 ways, for example, as 11854249 + 848241 = 3443^2 + 921^2 .

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

It is a super-2 number, since 2×12702490² = 322706504400200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12702491) by changing a digit.

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, 635115 + ... + 635134.

Almost surely, 2^12702490 is an apocalyptic number.

12702490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12702490 is a deficient number, since it is larger than the sum of its proper divisors (10162010).

12702490 is a wasteful number, since it uses less digits than its factorization.

12702490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270256.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12702490 is about 3564.0552745433. The cubic root of 12702490 is about 233.3259022577.

The spelling of 12702490 in words is "twelve million, seven hundred two thousand, four hundred ninety".