12702090 has 16 divisors (see below), whose sum is σ = 30485088. Its totient is φ = 3387216.

The previous prime is 12702083. The next prime is 12702103. The reversal of 12702090 is 9020721.

It is a happy number.

It is a super-2 number, since 2×12702090² = 322686180736200, which contains 22 as substring.

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, 211672 + ... + 211731.

It is an arithmetic number, because the mean of its divisors is an integer number (1905318).

Almost surely, 2^12702090 is an apocalyptic number.

12702090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12702090 is an abundant number, since it is smaller than the sum of its proper divisors (17782998).

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

12702090 is a wasteful number, since it uses less digits than its factorization.

12702090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423413.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 12702090 is about 3563.9991582491. Note that the first 3 decimals coincide. The cubic root of 12702090 is about 233.3234530964.

The spelling of 12702090 in words is "twelve million, seven hundred two thousand, ninety".