15196990 has 16 divisors (see below), whose sum is σ = 27638352. Its totient is φ = 6015744.

The previous prime is 15196967. The next prime is 15197011. The reversal of 15196990 is 9969151.

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, 6864 + ... + 8803.

It is an arithmetic number, because the mean of its divisors is an integer number (1727397).

Almost surely, 2^15196990 is an apocalyptic number.

15196990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15196990 is a deficient number, since it is larger than the sum of its proper divisors (12441362).

15196990 is a wasteful number, since it uses less digits than its factorization.

15196990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15771.

The product of its (nonzero) digits is 21870, while the sum is 40.

The square root of 15196990 is about 3898.3316944560. The cubic root of 15196990 is about 247.6961136509.

The spelling of 15196990 in words is "fifteen million, one hundred ninety-six thousand, nine hundred ninety".