13963401 has 16 divisors (see below), whose sum is σ = 20891520. Its totient is φ = 9216720.

The previous prime is 13963387. The next prime is 13963429. The reversal of 13963401 is 10436931.

It is not a de Polignac number, because 13963401 - 2⁶ = 13963337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13963601) 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, 271 + ... + 5291.

It is an arithmetic number, because the mean of its divisors is an integer number (1305720).

Almost surely, 2^13963401 is an apocalyptic number.

It is an amenable number.

13963401 is a deficient number, since it is larger than the sum of its proper divisors (6928119).

13963401 is a wasteful number, since it uses less digits than its factorization.

13963401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133 (or 5127 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 13963401 is about 3736.7634391275. The cubic root of 13963401 is about 240.8040221934.

The spelling of 13963401 in words is "thirteen million, nine hundred sixty-three thousand, four hundred one".