13770670 has 16 divisors (see below), whose sum is σ = 25392528. Its totient is φ = 5373760.

The previous prime is 13770667. The next prime is 13770677. The reversal of 13770670 is 7607731.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13770677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16384 + ... + 17203.

It is an arithmetic number, because the mean of its divisors is an integer number (1587033).

Almost surely, 2^13770670 is an apocalyptic number.

13770670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13770670 is a deficient number, since it is larger than the sum of its proper divisors (11621858).

13770670 is a wasteful number, since it uses less digits than its factorization.

13770670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33635.

The product of its (nonzero) digits is 6174, while the sum is 31.

The square root of 13770670 is about 3710.8853391071. The cubic root of 13770670 is about 239.6909795955.

It can be divided in two parts, 137 and 70670, that added together give a palindrome (70807).

The spelling of 13770670 in words is "thirteen million, seven hundred seventy thousand, six hundred seventy".