15266990 has 16 divisors (see below), whose sum is σ = 27574560. Its totient is φ = 6085920.

The previous prime is 15266989. The next prime is 15267023. The reversal of 15266990 is 9966251.

It is a congruent number.

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, 656 + ... + 5564.

It is an arithmetic number, because the mean of its divisors is an integer number (1723410).

Almost surely, 2^15266990 is an apocalyptic number.

15266990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15266990 is a deficient number, since it is larger than the sum of its proper divisors (12307570).

15266990 is a wasteful number, since it uses less digits than its factorization.

15266990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5227.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 15266990 is about 3907.2995789931. The cubic root of 15266990 is about 248.0758417886.

The spelling of 15266990 in words is "fifteen million, two hundred sixty-six thousand, nine hundred ninety".