12378253 has 4 divisors (see below), whose sum is σ = 13029760. Its totient is φ = 11726748.

The previous prime is 12378251. The next prime is 12378263. The reversal of 12378253 is 35287321.

12378253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12378253 - 2¹ = 12378251 is a prime.

It is a super-2 number, since 2×12378253² = 306442294664018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12378251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325725 + ... + 325762.

It is an arithmetic number, because the mean of its divisors is an integer number (3257440).

Almost surely, 2^12378253 is an apocalyptic number.

It is an amenable number.

12378253 is a deficient number, since it is larger than the sum of its proper divisors (651507).

12378253 is an equidigital number, since it uses as much as digits as its factorization.

12378253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651506.

The product of its digits is 10080, while the sum is 31.

The square root of 12378253 is about 3518.2741507734. The cubic root of 12378253 is about 231.3235161441.

The spelling of 12378253 in words is "twelve million, three hundred seventy-eight thousand, two hundred fifty-three".