12742510 has 24 divisors (see below), whose sum is σ = 25213608. Its totient is φ = 4633200.

The previous prime is 12742481. The next prime is 12742511. The reversal of 12742510 is 1524721.

It is a happy number.

It is a super-2 number, since 2×12742510² = 324743122200200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12742511) 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, 4056 + ... + 6475.

It is an arithmetic number, because the mean of its divisors is an integer number (1050567).

Almost surely, 2^12742510 is an apocalyptic number.

12742510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12742510 is a deficient number, since it is larger than the sum of its proper divisors (12471098).

12742510 is a wasteful number, since it uses less digits than its factorization.

12742510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10560 (or 10549 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 12742510 is about 3569.6652504121. The cubic root of 12742510 is about 233.5706813888.

The spelling of 12742510 in words is "twelve million, seven hundred forty-two thousand, five hundred ten".