13656770 has 16 divisors (see below), whose sum is σ = 24822720. Its totient is φ = 5409264.

The previous prime is 13656761. The next prime is 13656781. The reversal of 13656770 is 7765631.

It is a self number, because there is not a number n which added to its sum of digits gives 13656770.

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, 5600 + ... + 7659.

It is an arithmetic number, because the mean of its divisors is an integer number (1551420).

Almost surely, 2^13656770 is an apocalyptic number.

13656770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13656770 is a deficient number, since it is larger than the sum of its proper divisors (11165950).

13656770 is a wasteful number, since it uses less digits than its factorization.

13656770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13369.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 13656770 is about 3695.5067311534. The cubic root of 13656770 is about 239.0283049756.

The spelling of 13656770 in words is "thirteen million, six hundred fifty-six thousand, seven hundred seventy".