13230945 has 80 divisors (see below), whose sum is σ = 29272320. Its totient is φ = 5567616.

The previous prime is 13230907. The next prime is 13230949. The reversal of 13230945 is 54903231.

13230945 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13230945 - 2⁷ = 13230817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13230949) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 36676 + ... + 37034.

It is an arithmetic number, because the mean of its divisors is an integer number (365904).

It is a vampire number, since it can be written as 3231 ⋅ 4095 (with its own digits).

Almost surely, 2^13230945 is an apocalyptic number.

13230945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13230945 is an abundant number, since it is smaller than the sum of its proper divisors (16041375).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13230945 is a wasteful number, since it uses less digits than its factorization.

13230945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 13230945 is about 3637.4365973856. The cubic root of 13230945 is about 236.5176859985.

The spelling of 13230945 in words is "thirteen million, two hundred thirty thousand, nine hundred forty-five".