12315401 has 32 divisors (see below), whose sum is σ = 15974400. Its totient is φ = 9253440.

The previous prime is 12315383. The next prime is 12315403. The reversal of 12315401 is 10451321.

It is not a de Polignac number, because 12315401 - 2¹⁸ = 12053257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12315401.

It is not an unprimeable number, because it can be changed into a prime (12315403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119516 + ... + 119618.

It is an arithmetic number, because the mean of its divisors is an integer number (499200).

Almost surely, 2^12315401 is an apocalyptic number.

It is an amenable number.

12315401 is a deficient number, since it is larger than the sum of its proper divisors (3658999).

12315401 is a wasteful number, since it uses less digits than its factorization.

12315401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 12315401 is about 3509.3305629422. The cubic root of 12315401 is about 230.9313277001.

Adding to 12315401 its reverse (10451321), we get a palindrome (22766722).

The spelling of 12315401 in words is "twelve million, three hundred fifteen thousand, four hundred one".