12431401 has 8 divisors (see below), whose sum is σ = 12904200. Its totient is φ = 11961600.

The previous prime is 12431399. The next prime is 12431407. The reversal of 12431401 is 10413421.

12431401 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 can be written as a sum of positive squares in 4 ways, for example, as 5546025 + 6885376 = 2355^2 + 2624^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12431401 - 2¹ = 12431399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12431407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11095 + ... + 12163.

It is an arithmetic number, because the mean of its divisors is an integer number (1613025).

Almost surely, 2^12431401 is an apocalyptic number.

It is an amenable number.

12431401 is a deficient number, since it is larger than the sum of its proper divisors (472799).

12431401 is a wasteful number, since it uses less digits than its factorization.

12431401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 12431401 is about 3525.8191955913. The cubic root of 12431401 is about 231.6541182122.

Adding to 12431401 its reverse (10413421), we get a palindrome (22844822).

The spelling of 12431401 in words is "twelve million, four hundred thirty-one thousand, four hundred one".