12452402 has 4 divisors (see below), whose sum is σ = 18678606. Its totient is φ = 6226200.

The previous prime is 12452399. The next prime is 12452431. The reversal of 12452402 is 20425421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20425421 = 41 ⋅498181.

It can be written as a sum of positive squares in only one way, i.e., 11826721 + 625681 = 3439^2 + 791^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3113099 + ... + 3113102.

Almost surely, 2^12452402 is an apocalyptic number.

12452402 is a deficient number, since it is larger than the sum of its proper divisors (6226204).

12452402 is an equidigital number, since it uses as much as digits as its factorization.

12452402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226203.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 12452402 is about 3528.7961119906. The cubic root of 12452402 is about 231.7844931973.

Adding to 12452402 its reverse (20425421), we get a palindrome (32877823).

The spelling of 12452402 in words is "twelve million, four hundred fifty-two thousand, four hundred two".