12161310 has 48 divisors (see below), whose sum is σ = 33956496. Its totient is φ = 2779392.

The previous prime is 12161293. The next prime is 12161321. The reversal of 12161310 is 1316121.

12161310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12161310² = 295794921832200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12161310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2667 + ... + 5606.

It is an arithmetic number, because the mean of its divisors is an integer number (707427).

Almost surely, 2^12161310 is an apocalyptic number.

12161310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12161310 is an abundant number, since it is smaller than the sum of its proper divisors (21795186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12161310 is a wasteful number, since it uses less digits than its factorization.

12161310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8297 (or 8290 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 12161310 is about 3487.3069839061. The cubic root of 12161310 is about 229.9641405972.

Adding to 12161310 its reverse (1316121), we get a palindrome (13477431).

The spelling of 12161310 in words is "twelve million, one hundred sixty-one thousand, three hundred ten".