12867590 has 16 divisors (see below), whose sum is σ = 23960880. Its totient is φ = 4969440.

The previous prime is 12867587. The next prime is 12867593. The reversal of 12867590 is 9576821.

It is an interprime number because it is at equal distance from previous prime (12867587) and next prime (12867593).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12867593) 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, 21896 + ... + 22475.

It is an arithmetic number, because the mean of its divisors is an integer number (1497555).

Almost surely, 2^12867590 is an apocalyptic number.

12867590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12867590 is a deficient number, since it is larger than the sum of its proper divisors (11093290).

12867590 is a wasteful number, since it uses less digits than its factorization.

12867590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44407.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 12867590 is about 3587.1423166638. The cubic root of 12867590 is about 234.3324346997.

The spelling of 12867590 in words is "twelve million, eight hundred sixty-seven thousand, five hundred ninety".