12490831 has 8 divisors (see below), whose sum is σ = 12810240. Its totient is φ = 12175128.

The previous prime is 12490823. The next prime is 12490837. The reversal of 12490831 is 13809421.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12490831 - 2³ = 12490823 is a prime.

It is a super-2 number, since 2×12490831² = 312041718141122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12490831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12490837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6660 + ... + 8326.

It is an arithmetic number, because the mean of its divisors is an integer number (1601280).

Almost surely, 2^12490831 is an apocalyptic number.

12490831 is a deficient number, since it is larger than the sum of its proper divisors (319409).

12490831 is a wasteful number, since it uses less digits than its factorization.

12490831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 12490831 is about 3534.2369756427. The cubic root of 12490831 is about 232.0226828298.

The spelling of 12490831 in words is "twelve million, four hundred ninety thousand, eight hundred thirty-one".