15014890 has 24 divisors (see below), whose sum is σ = 29709540. Its totient is φ = 5459520.

The previous prime is 15014887. The next prime is 15014891. The reversal of 15014890 is 9841051.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12938409 + 2076481 = 3597^2 + 1441^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15014891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4995 + ... + 7414.

Almost surely, 2^15014890 is an apocalyptic number.

15014890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15014890 is a deficient number, since it is larger than the sum of its proper divisors (14694650).

15014890 is a wasteful number, since it uses less digits than its factorization.

15014890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12438 (or 12427 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 15014890 is about 3874.9051601297. The cubic root of 15014890 is about 246.7027846633.

The spelling of 15014890 in words is "fifteen million, fourteen thousand, eight hundred ninety".