13929494 has 8 divisors (see below), whose sum is σ = 22123368. Its totient is φ = 6555040.

The previous prime is 13929493. The next prime is 13929497. The reversal of 13929494 is 49492931.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13929493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204812 + ... + 204879.

It is an arithmetic number, because the mean of its divisors is an integer number (2765421).

Almost surely, 2^13929494 is an apocalyptic number.

13929494 is a deficient number, since it is larger than the sum of its proper divisors (8193874).

13929494 is a wasteful number, since it uses less digits than its factorization.

13929494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409710.

The product of its digits is 69984, while the sum is 41.

The square root of 13929494 is about 3732.2237339152. The cubic root of 13929494 is about 240.6089512881.

The spelling of 13929494 in words is "thirteen million, nine hundred twenty-nine thousand, four hundred ninety-four".