12246145 has 8 divisors (see below), whose sum is σ = 14714856. Its totient is φ = 9783936.

The previous prime is 12246131. The next prime is 12246163. The reversal of 12246145 is 54164221.

It is a happy number.

12246145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1336336 + 10909809 = 1156^2 + 3303^2 .

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 12246145 - 2²¹ = 10148993 is a prime.

It is a super-2 number, since 2×12246145² = 299936134722050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4939 + ... + 6991.

It is an arithmetic number, because the mean of its divisors is an integer number (1839357).

Almost surely, 2^12246145 is an apocalyptic number.

It is an amenable number.

12246145 is a deficient number, since it is larger than the sum of its proper divisors (2468711).

12246145 is a wasteful number, since it uses less digits than its factorization.

12246145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251.

The product of its digits is 1920, while the sum is 25.

The square root of 12246145 is about 3499.4492423809. The cubic root of 12246145 is about 230.4976307980.

It can be divided in two parts, 12246 and 145, that multiplied together give a triangular number (1775670 = T₁₈₈₄).

The spelling of 12246145 in words is "twelve million, two hundred forty-six thousand, one hundred forty-five".