12748942 has 8 divisors (see below), whose sum is σ = 19640376. Its totient is φ = 6202152.

The previous prime is 12748937. The next prime is 12748987. The reversal of 12748942 is 24984721.

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

It is a super-3 number, since 3×12748942³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

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, 86068 + ... + 86215.

It is an arithmetic number, because the mean of its divisors is an integer number (2455047).

Almost surely, 2^12748942 is an apocalyptic number.

12748942 is a deficient number, since it is larger than the sum of its proper divisors (6891434).

12748942 is a wasteful number, since it uses less digits than its factorization.

12748942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172322.

The product of its digits is 32256, while the sum is 37.

The square root of 12748942 is about 3570.5660615650. The cubic root of 12748942 is about 233.6099743778.

The spelling of 12748942 in words is "twelve million, seven hundred forty-eight thousand, nine hundred forty-two".