13917406 has 8 divisors (see below), whose sum is σ = 20985984. Its totient is φ = 6922080.

The previous prime is 13917391. The next prime is 13917413. The reversal of 13917406 is 60471931.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17835 + ... + 18598.

It is an arithmetic number, because the mean of its divisors is an integer number (2623248).

Almost surely, 2^13917406 is an apocalyptic number.

13917406 is a deficient number, since it is larger than the sum of its proper divisors (7068578).

13917406 is a wasteful number, since it uses less digits than its factorization.

13917406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36626.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 13917406 is about 3730.6039725492. The cubic root of 13917406 is about 240.5393310819.

The spelling of 13917406 in words is "thirteen million, nine hundred seventeen thousand, four hundred six".