12402313 has 32 divisors (see below), whose sum is σ = 16588800. Its totient is φ = 8986560.

The previous prime is 12402311. The next prime is 12402349. The reversal of 12402313 is 31320421.

It is a happy number.

It is not a de Polignac number, because 12402313 - 2¹ = 12402311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12402311) 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, 83163 + ... + 83311.

It is an arithmetic number, because the mean of its divisors is an integer number (518400).

Almost surely, 2^12402313 is an apocalyptic number.

It is an amenable number.

12402313 is a deficient number, since it is larger than the sum of its proper divisors (4186487).

12402313 is a wasteful number, since it uses less digits than its factorization.

12402313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12402313 is about 3521.6917809485. The cubic root of 12402313 is about 231.4732960753.

Adding to 12402313 its reverse (31320421), we get a palindrome (43722734).

It can be divided in two parts, 1240 and 2313, that added together give a palindrome (3553).

The spelling of 12402313 in words is "twelve million, four hundred two thousand, three hundred thirteen".