12737642 has 8 divisors (see below), whose sum is σ = 19123776. Its totient is φ = 6363052.

The previous prime is 12737639. The next prime is 12737663. The reversal of 12737642 is 24673721.

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

It is a junction number, because it is equal to n+sod(n) for n = 12737599 and 12737608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833 + ... + 5115.

It is an arithmetic number, because the mean of its divisors is an integer number (2390472).

Almost surely, 2^12737642 is an apocalyptic number.

12737642 is a deficient number, since it is larger than the sum of its proper divisors (6386134).

12737642 is a wasteful number, since it uses less digits than its factorization.

12737642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5772.

The product of its digits is 14112, while the sum is 32.

The square root of 12737642 is about 3568.9833286246. The cubic root of 12737642 is about 233.5409340601.

The spelling of 12737642 in words is "twelve million, seven hundred thirty-seven thousand, six hundred forty-two".