12490489 has 8 divisors (see below), whose sum is σ = 14065920. Its totient is φ = 10988400.

The previous prime is 12490487. The next prime is 12490493. The reversal of 12490489 is 98409421.

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 12490489 - 2¹ = 12490487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12490483) 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, 17974 + ... + 18655.

It is an arithmetic number, because the mean of its divisors is an integer number (1758240).

Almost surely, 2^12490489 is an apocalyptic number.

It is an amenable number.

12490489 is a deficient number, since it is larger than the sum of its proper divisors (1575431).

12490489 is a wasteful number, since it uses less digits than its factorization.

12490489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36671.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 12490489 is about 3534.1885914591. The cubic root of 12490489 is about 232.0205652103.

The spelling of 12490489 in words is "twelve million, four hundred ninety thousand, four hundred eighty-nine".