12402252 has 36 divisors (see below), whose sum is σ = 32200896. Its totient is φ = 4021920.

The previous prime is 12402251. The next prime is 12402253. The reversal of 12402252 is 25220421.

12402252 is a `hidden beast` number, since 12 + 402 + 252 = 666.

It is an interprime number because it is at equal distance from previous prime (12402251) and next prime (12402253).

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (12402251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3324 + ... + 5987.

Almost surely, 2^12402252 is an apocalyptic number.

12402252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12402252 is an abundant number, since it is smaller than the sum of its proper divisors (19798644).

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

12402252 is a wasteful number, since it uses less digits than its factorization.

12402252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9358 (or 9353 counting only the distinct ones).

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

The square root of 12402252 is about 3521.6831203276. The cubic root of 12402252 is about 231.4729165790.

Adding to 12402252 its reverse (25220421), we get a palindrome (37622673).

The spelling of 12402252 in words is "twelve million, four hundred two thousand, two hundred fifty-two".