13650401 has 4 divisors (see below), whose sum is σ = 13658304. Its totient is φ = 13642500.

The previous prime is 13650391. The next prime is 13650409. The reversal of 13650401 is 10405631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13650401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13650409) 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, 125 + ... + 5226.

It is an arithmetic number, because the mean of its divisors is an integer number (3414576).

Almost surely, 2^13650401 is an apocalyptic number.

It is an amenable number.

13650401 is a deficient number, since it is larger than the sum of its proper divisors (7903).

13650401 is an equidigital number, since it uses as much as digits as its factorization.

13650401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7902.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 13650401 is about 3694.6449085129. The cubic root of 13650401 is about 238.9911412833.

The spelling of 13650401 in words is "thirteen million, six hundred fifty thousand, four hundred one".