13994057 has 16 divisors (see below), whose sum is σ = 17808000. Its totient is φ = 10901520.

The previous prime is 13994053. The next prime is 13994059. The reversal of 13994057 is 75049931.

It is a happy number.

It is not a de Polignac number, because 13994057 - 2² = 13994053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13994057.

It is not an unprimeable number, because it can be changed into a prime (13994053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1919 + ... + 5627.

It is an arithmetic number, because the mean of its divisors is an integer number (1113000).

Almost surely, 2^13994057 is an apocalyptic number.

It is an amenable number.

13994057 is a deficient number, since it is larger than the sum of its proper divisors (3813943).

13994057 is an equidigital number, since it uses as much as digits as its factorization.

13994057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741 (or 3727 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 13994057 is about 3740.8631356948. The cubic root of 13994057 is about 240.9801180777.

The spelling of 13994057 in words is "thirteen million, nine hundred ninety-four thousand, fifty-seven".