12001395 has 16 divisors (see below), whose sum is σ = 21945600. Its totient is φ = 5486304.

The previous prime is 12001387. The next prime is 12001411. The reversal of 12001395 is 59310021.

12001395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12001395 - 2³ = 12001387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57045 + ... + 57254.

It is an arithmetic number, because the mean of its divisors is an integer number (1371600).

Almost surely, 2^12001395 is an apocalyptic number.

12001395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12001395 is a deficient number, since it is larger than the sum of its proper divisors (9944205).

12001395 is a wasteful number, since it uses less digits than its factorization.

12001395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114314.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 12001395 is about 3464.3029601927. The cubic root of 12001395 is about 228.9517197023.

The spelling of 12001395 in words is "twelve million, one thousand, three hundred ninety-five".