12501742 has 32 divisors (see below), whose sum is σ = 22063104. Its totient is φ = 5253600.

The previous prime is 12501739. The next prime is 12501779. The reversal of 12501742 is 24710521.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15288 + ... + 16084.

It is an arithmetic number, because the mean of its divisors is an integer number (689472).

Almost surely, 2^12501742 is an apocalyptic number.

12501742 is a deficient number, since it is larger than the sum of its proper divisors (9561362).

12501742 is a wasteful number, since it uses less digits than its factorization.

12501742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864.

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

The square root of 12501742 is about 3535.7802533529. The cubic root of 12501742 is about 232.0902220435.

It can be divided in two parts, 1250 and 1742, that added together give a palindrome (2992).

The spelling of 12501742 in words is "twelve million, five hundred one thousand, seven hundred forty-two".