12102494 has 4 divisors (see below), whose sum is σ = 18153744. Its totient is φ = 6051246.

The previous prime is 12102491. The next prime is 12102509. The reversal of 12102494 is 49420121.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12102494² = 292940722040072, 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 (12102491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025622 + ... + 3025625.

It is an arithmetic number, because the mean of its divisors is an integer number (4538436).

Almost surely, 2^12102494 is an apocalyptic number.

12102494 is a deficient number, since it is larger than the sum of its proper divisors (6051250).

12102494 is an equidigital number, since it uses as much as digits as its factorization.

12102494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6051249.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 12102494 is about 3478.8638950094. The cubic root of 12102494 is about 229.5928145274.

The spelling of 12102494 in words is "twelve million, one hundred two thousand, four hundred ninety-four".