13972407 has 8 divisors (see below), whose sum is σ = 18666480. Its totient is φ = 9296640.

The previous prime is 13972397. The next prime is 13972423. The reversal of 13972407 is 70427931.

13972407 is nontrivially palindromic in base 14.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13972407 - 2⁷ = 13972279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13972447) 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, 2682 + ... + 5927.

It is an arithmetic number, because the mean of its divisors is an integer number (2333310).

Almost surely, 2^13972407 is an apocalyptic number.

13972407 is a deficient number, since it is larger than the sum of its proper divisors (4694073).

13972407 is an equidigital number, since it uses as much as digits as its factorization.

13972407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9153.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 13972407 is about 3737.9682984209. The cubic root of 13972407 is about 240.8557816691.

The spelling of 13972407 in words is "thirteen million, nine hundred seventy-two thousand, four hundred seven".