12161253 has 8 divisors (see below), whose sum is σ = 17462368. Its totient is φ = 7483824.

The previous prime is 12161251. The next prime is 12161287. The reversal of 12161253 is 35216121.

12161253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12161253 - 2¹ = 12161251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12161251) 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, 155875 + ... + 155952.

It is an arithmetic number, because the mean of its divisors is an integer number (2182796).

Almost surely, 2^12161253 is an apocalyptic number.

12161253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12161253 is a deficient number, since it is larger than the sum of its proper divisors (5301115).

12161253 is a wasteful number, since it uses less digits than its factorization.

12161253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311843.

The product of its digits is 360, while the sum is 21.

The square root of 12161253 is about 3487.2988114012. The cubic root of 12161253 is about 229.9637813164.

Adding to 12161253 its reverse (35216121), we get a palindrome (47377374).

The spelling of 12161253 in words is "twelve million, one hundred sixty-one thousand, two hundred fifty-three".