12510442 has 8 divisors (see below), whose sum is σ = 21446496. Its totient is φ = 5361612.

The previous prime is 12510427. The next prime is 12510461. The reversal of 12510442 is 24401521.

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

It is a super-2 number, since 2×12510442² = 313022318070728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446788 + ... + 446815.

It is an arithmetic number, because the mean of its divisors is an integer number (2680812).

Almost surely, 2^12510442 is an apocalyptic number.

12510442 is a deficient number, since it is larger than the sum of its proper divisors (8936054).

12510442 is an equidigital number, since it uses as much as digits as its factorization.

12510442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893612.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 12510442 is about 3537.0103194647. The cubic root of 12510442 is about 232.1440469885.

Adding to 12510442 its reverse (24401521), we get a palindrome (36911963).

The spelling of 12510442 in words is "twelve million, five hundred ten thousand, four hundred forty-two".