12770670 has 32 divisors (see below), whose sum is σ = 33436800. Its totient is φ = 3095840.

The previous prime is 12770651. The next prime is 12770671. The reversal of 12770670 is 7607721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12770671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19020 + ... + 19679.

It is an arithmetic number, because the mean of its divisors is an integer number (1044900).

Almost surely, 2^12770670 is an apocalyptic number.

12770670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12770670 is an abundant number, since it is smaller than the sum of its proper divisors (20666130).

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

12770670 is a wasteful number, since it uses less digits than its factorization.

12770670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38720.

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 12770670 is about 3573.6074210803. The cubic root of 12770670 is about 233.7426127476.

The spelling of 12770670 in words is "twelve million, seven hundred seventy thousand, six hundred seventy".