13949401 has 12 divisors (see below), whose sum is σ = 15595092. Its totient is φ = 12432384.

The previous prime is 13949387. The next prime is 13949417. The reversal of 13949401 is 10494931.

It can be written as a sum of positive squares in 2 ways, for example, as 11696400 + 2253001 = 3420^2 + 1501^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13949401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13949491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5001 + ... + 7273.

It is an arithmetic number, because the mean of its divisors is an integer number (1299591).

Almost surely, 2^13949401 is an apocalyptic number.

It is an amenable number.

13949401 is a deficient number, since it is larger than the sum of its proper divisors (1645691).

13949401 is a wasteful number, since it uses less digits than its factorization.

13949401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328 (or 2309 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 13949401 is about 3734.8896904728. The cubic root of 13949401 is about 240.7235168868.

The spelling of 13949401 in words is "thirteen million, nine hundred forty-nine thousand, four hundred one".