12814890 has 32 divisors (see below), whose sum is σ = 33552576. Its totient is φ = 3106560.

The previous prime is 12814883. The next prime is 12814937. The reversal of 12814890 is 9841821.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19087 + ... + 19746.

It is an arithmetic number, because the mean of its divisors is an integer number (1048518).

Almost surely, 2^12814890 is an apocalyptic number.

12814890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12814890 is an abundant number, since it is smaller than the sum of its proper divisors (20737686).

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

12814890 is a wasteful number, since it uses less digits than its factorization.

12814890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38854.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 12814890 is about 3579.7890999331. The cubic root of 12814890 is about 234.0120893747.

The spelling of 12814890 in words is "twelve million, eight hundred fourteen thousand, eight hundred ninety".