13749412 has 6 divisors (see below), whose sum is σ = 24061478. Its totient is φ = 6874704.

The previous prime is 13749403. The next prime is 13749443. The reversal of 13749412 is 21494731.

It can be written as a sum of positive squares in only one way, i.e., 7873636 + 5875776 = 2806^2 + 2424^2 .

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 as a sum of consecutive naturals, namely, 1718673 + ... + 1718680.

Almost surely, 2^13749412 is an apocalyptic number.

It is an amenable number.

13749412 is a deficient number, since it is larger than the sum of its proper divisors (10312066).

13749412 is a wasteful number, since it uses less digits than its factorization.

13749412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437357 (or 3437355 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 13749412 is about 3708.0199567963. The cubic root of 13749412 is about 239.5675778289.

It can be divided in two parts, 13749 and 412, that added together give a square (14161 = 119²).

The spelling of 13749412 in words is "thirteen million, seven hundred forty-nine thousand, four hundred twelve".