12152749 has 8 divisors (see below), whose sum is σ = 13927680. Its totient is φ = 10387536.

The previous prime is 12152689. The next prime is 12152753. The reversal of 12152749 is 94725121.

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

It is a cyclic number.

It is not a de Polignac number, because 12152749 - 2¹⁷ = 12021677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12152749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152449) 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, 492 + ... + 4954.

It is an arithmetic number, because the mean of its divisors is an integer number (1740960).

Almost surely, 2^12152749 is an apocalyptic number.

It is an amenable number.

12152749 is a deficient number, since it is larger than the sum of its proper divisors (1774931).

12152749 is an equidigital number, since it uses as much as digits as its factorization.

12152749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4859.

The product of its digits is 5040, while the sum is 31.

The square root of 12152749 is about 3486.0793163667. The cubic root of 12152749 is about 229.9101665557.

The spelling of 12152749 in words is "twelve million, one hundred fifty-two thousand, seven hundred forty-nine".