12706890 has 32 divisors (see below), whose sum is σ = 34853760. Its totient is φ = 2904384.

The previous prime is 12706847. The next prime is 12706937. The reversal of 12706890 is 9860721.

It is a super-2 number, since 2×12706890² = 322930106944200, which contains 22 as substring.

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, 30045 + ... + 30464.

It is an arithmetic number, because the mean of its divisors is an integer number (1089180).

Almost surely, 2^12706890 is an apocalyptic number.

12706890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12706890 is an abundant number, since it is smaller than the sum of its proper divisors (22146870).

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

12706890 is a wasteful number, since it uses less digits than its factorization.

12706890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60526.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 12706890 is about 3564.6724954756. The cubic root of 12706890 is about 233.3528396391.

The spelling of 12706890 in words is "twelve million, seven hundred six thousand, eight hundred ninety".