12294981 has 6 divisors (see below), whose sum is σ = 17759430. Its totient is φ = 8196648.

The previous prime is 12294979. The next prime is 12294983. The reversal of 12294981 is 18949221.

It is an interprime number because it is at equal distance from previous prime (12294979) and next prime (12294983).

It can be written as a sum of positive squares in only one way, i.e., 8946081 + 3348900 = 2991^2 + 1830^2 .

It is not a de Polignac number, because 12294981 - 2¹ = 12294979 is a prime.

It is a super-2 number, since 2×12294981² = 302333115580722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12294983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 683046 + ... + 683063.

It is an arithmetic number, because the mean of its divisors is an integer number (2959905).

Almost surely, 2^12294981 is an apocalyptic number.

It is an amenable number.

12294981 is a deficient number, since it is larger than the sum of its proper divisors (5464449).

12294981 is a wasteful number, since it uses less digits than its factorization.

12294981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366115 (or 1366112 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 12294981 is about 3506.4199691423. The cubic root of 12294981 is about 230.8036223872.

The spelling of 12294981 in words is "twelve million, two hundred ninety-four thousand, nine hundred eighty-one".