12380953 has 4 divisors (see below), whose sum is σ = 13333348. Its totient is φ = 11428560.

The previous prime is 12380911. The next prime is 12380957. The reversal of 12380953 is 35908321.

It is a happy number.

12380953 is digitally balanced in base 3, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1570009 + 10810944 = 1253^2 + 3288^2 .

It is not a de Polignac number, because 12380953 - 2¹³ = 12372761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12380957) 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, 476178 + ... + 476203.

It is an arithmetic number, because the mean of its divisors is an integer number (3333337).

Almost surely, 2^12380953 is an apocalyptic number.

12380953 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12380953 is a deficient number, since it is larger than the sum of its proper divisors (952395).

12380953 is an equidigital number, since it uses as much as digits as its factorization.

12380953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952394.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 12380953 is about 3518.6578407114. The cubic root of 12380953 is about 231.3403340286.

The spelling of 12380953 in words is "twelve million, three hundred eighty thousand, nine hundred fifty-three".