12252709 has 8 divisors (see below), whose sum is σ = 14172480. Its totient is φ = 10375296.

The previous prime is 12252697. The next prime is 12252731. The reversal of 12252709 is 90725221.

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 12252709 - 2⁹ = 12252197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252769) 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, 9964 + ... + 11125.

It is an arithmetic number, because the mean of its divisors is an integer number (1771560).

Almost surely, 2^12252709 is an apocalyptic number.

It is an amenable number.

12252709 is a deficient number, since it is larger than the sum of its proper divisors (1919771).

12252709 is an equidigital number, since it uses as much as digits as its factorization.

12252709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21179.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 12252709 is about 3500.3869786068. The cubic root of 12252709 is about 230.5388061014.

The spelling of 12252709 in words is "twelve million, two hundred fifty-two thousand, seven hundred nine".