13431201 has 16 divisors (see below), whose sum is σ = 20590464. Its totient is φ = 7628544.

The previous prime is 13431191. The next prime is 13431217. The reversal of 13431201 is 10213431.

13431201 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13431201 - 2⁵ = 13431169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13431251) 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, 1785 + ... + 5481.

It is an arithmetic number, because the mean of its divisors is an integer number (1286904).

Almost surely, 2^13431201 is an apocalyptic number.

It is an amenable number.

13431201 is a deficient number, since it is larger than the sum of its proper divisors (7159263).

13431201 is a wasteful number, since it uses less digits than its factorization.

13431201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3880.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13431201 is about 3664.8602974738. The cubic root of 13431201 is about 237.7049812981.

Adding to 13431201 its reverse (10213431), we get a palindrome (23644632).

The spelling of 13431201 in words is "thirteen million, four hundred thirty-one thousand, two hundred one".