12536490 has 16 divisors (see below), whose sum is σ = 30087648. Its totient is φ = 3343056.

The previous prime is 12536477. The next prime is 12536501. The reversal of 12536490 is 9463521.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 417883 = 12536490 / (1 + 2 + 5 + 3 + 6 + 4 + 9 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208912 + ... + 208971.

It is an arithmetic number, because the mean of its divisors is an integer number (1880478).

Almost surely, 2^12536490 is an apocalyptic number.

12536490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12536490 is an abundant number, since it is smaller than the sum of its proper divisors (17551158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12536490 is a wasteful number, since it uses less digits than its factorization.

12536490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417893.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 12536490 is about 3540.6906106013. The cubic root of 12536490 is about 232.3050510586.

The spelling of 12536490 in words is "twelve million, five hundred thirty-six thousand, four hundred ninety".