13770970 has 16 divisors (see below), whose sum is σ = 25067880. Its totient is φ = 5446144.

The previous prime is 13770959. The next prime is 13770983. The reversal of 13770970 is 7907731.

It can be written as a sum of positive squares in 4 ways, for example, as 8485569 + 5285401 = 2913^2 + 2299^2 .

It is a super-2 number, since 2×13770970² = 379279229481800, 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, 6847 + ... + 8626.

Almost surely, 2^13770970 is an apocalyptic number.

13770970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13770970 is a deficient number, since it is larger than the sum of its proper divisors (11296910).

13770970 is a wasteful number, since it uses less digits than its factorization.

13770970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15569.

The product of its (nonzero) digits is 9261, while the sum is 34.

The square root of 13770970 is about 3710.9257605077. The cubic root of 13770970 is about 239.6927201734.

The spelling of 13770970 in words is "thirteen million, seven hundred seventy thousand, nine hundred seventy".