13670406 has 12 divisors (see below), whose sum is σ = 29619252. Its totient is φ = 4556796.

The previous prime is 13670351. The next prime is 13670413. The reversal of 13670406 is 60407631.

It is a self number, because there is not a number n which added to its sum of digits gives 13670406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 379716 + ... + 379751.

It is an arithmetic number, because the mean of its divisors is an integer number (2468271).

Almost surely, 2^13670406 is an apocalyptic number.

13670406 is an abundant number, since it is smaller than the sum of its proper divisors (15948846).

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

13670406 is a wasteful number, since it uses less digits than its factorization.

13670406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759475 (or 759472 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 13670406 is about 3697.3512140450. The cubic root of 13670406 is about 239.1078334380.

The spelling of 13670406 in words is "thirteen million, six hundred seventy thousand, four hundred six".