12450402 has 16 divisors (see below), whose sum is σ = 27667680. Its totient is φ = 4150116.

The previous prime is 12450397. The next prime is 12450419. The reversal of 12450402 is 20405421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115228 + ... + 115335.

It is an arithmetic number, because the mean of its divisors is an integer number (1729230).

Almost surely, 2^12450402 is an apocalyptic number.

12450402 is an abundant number, since it is smaller than the sum of its proper divisors (15217278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12450402 is a wasteful number, since it uses less digits than its factorization.

12450402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230574 (or 230568 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 12450402 is about 3528.5127178459. The cubic root of 12450402 is about 231.7720834414.

Adding to 12450402 its reverse (20405421), we get a palindrome (32855823).

The spelling of 12450402 in words is "twelve million, four hundred fifty thousand, four hundred two".