12690950 has 12 divisors (see below), whose sum is σ = 23605260. Its totient is φ = 5076360.

The previous prime is 12690943. The next prime is 12690961. The reversal of 12690950 is 5909621.

It is a super-2 number, since 2×12690950² = 322120423805000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126860 + ... + 126959.

It is an arithmetic number, because the mean of its divisors is an integer number (1967105).

Almost surely, 2^12690950 is an apocalyptic number.

12690950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12690950 is a deficient number, since it is larger than the sum of its proper divisors (10914310).

12690950 is a wasteful number, since it uses less digits than its factorization.

12690950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253831 (or 253826 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 12690950 is about 3562.4359643368. The cubic root of 12690950 is about 233.2552232881.

The spelling of 12690950 in words is "twelve million, six hundred ninety thousand, nine hundred fifty".