12378495 has 32 divisors (see below), whose sum is σ = 20528640. Its totient is φ = 6366080.

The previous prime is 12378493. The next prime is 12378497. The reversal of 12378495 is 59487321.

It is an interprime number because it is at equal distance from previous prime (12378493) and next prime (12378497).

It is not a de Polignac number, because 12378495 - 2¹ = 12378493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12378491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62737 + ... + 62933.

It is an arithmetic number, because the mean of its divisors is an integer number (641520).

Almost surely, 2^12378495 is an apocalyptic number.

12378495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12378495 is a deficient number, since it is larger than the sum of its proper divisors (8150145).

12378495 is a wasteful number, since it uses less digits than its factorization.

12378495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335.

The product of its digits is 60480, while the sum is 39.

The square root of 12378495 is about 3518.3085424675. The cubic root of 12378495 is about 231.3250236246.

The spelling of 12378495 in words is "twelve million, three hundred seventy-eight thousand, four hundred ninety-five".