13973407 has 8 divisors (see below), whose sum is σ = 16052256. Its totient is φ = 11915232.

The previous prime is 13973363. The next prime is 13973413. The reversal of 13973407 is 70437931.

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

It is not a de Polignac number, because 13973407 - 2⁷ = 13973279 is a prime.

It is a super-2 number, since 2×13973407² = 390512206375298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13973807) 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, 3688 + ... + 6445.

It is an arithmetic number, because the mean of its divisors is an integer number (2006532).

Almost surely, 2^13973407 is an apocalyptic number.

13973407 is a deficient number, since it is larger than the sum of its proper divisors (2078849).

13973407 is a wasteful number, since it uses less digits than its factorization.

13973407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10337.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 13973407 is about 3738.1020585318. The cubic root of 13973407 is about 240.8615275185.

The spelling of 13973407 in words is "thirteen million, nine hundred seventy-three thousand, four hundred seven".