13970366 has 4 divisors (see below), whose sum is σ = 20955552. Its totient is φ = 6985182.

The previous prime is 13970353. The next prime is 13970387. The reversal of 13970366 is 66307931.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×13970366² = 390342252347912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3492590 + ... + 3492593.

It is an arithmetic number, because the mean of its divisors is an integer number (5238888).

Almost surely, 2^13970366 is an apocalyptic number.

13970366 is a deficient number, since it is larger than the sum of its proper divisors (6985186).

13970366 is an equidigital number, since it uses as much as digits as its factorization.

13970366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6985185.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 13970366 is about 3737.6952791794. The cubic root of 13970366 is about 240.8440535398.

The spelling of 13970366 in words is "thirteen million, nine hundred seventy thousand, three hundred sixty-six".