12249742 has 16 divisors (see below), whose sum is σ = 18712512. Its totient is φ = 6013440.

The previous prime is 12249739. The next prime is 12249749. The reversal of 12249742 is 24794221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12249749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45067 + ... + 45337.

It is an arithmetic number, because the mean of its divisors is an integer number (1169532).

Almost surely, 2^12249742 is an apocalyptic number.

12249742 is a deficient number, since it is larger than the sum of its proper divisors (6462770).

12249742 is a wasteful number, since it uses less digits than its factorization.

12249742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603.

The product of its digits is 8064, while the sum is 31.

The square root of 12249742 is about 3499.9631426631. The cubic root of 12249742 is about 230.5201962343.

The spelling of 12249742 in words is "twelve million, two hundred forty-nine thousand, seven hundred forty-two".