13872441 has 16 divisors (see below), whose sum is σ = 20309760. Its totient is φ = 8352720.

The previous prime is 13872433. The next prime is 13872457. The reversal of 13872441 is 14427831.

It is not a de Polignac number, because 13872441 - 2³ = 13872433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13872399 and 13872408.

It is not an unprimeable number, because it can be changed into a prime (13872421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4090 + ... + 6668.

It is an arithmetic number, because the mean of its divisors is an integer number (1269360).

Almost surely, 2^13872441 is an apocalyptic number.

13872441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13872441 is a deficient number, since it is larger than the sum of its proper divisors (6437319).

13872441 is a wasteful number, since it uses less digits than its factorization.

13872441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756.

The product of its digits is 5376, while the sum is 30.

The square root of 13872441 is about 3724.5725929293. The cubic root of 13872441 is about 240.2800030603.

It can be divided in two parts, 1387 and 2441, that added together give a triangular number (3828 = T₈₇).

The spelling of 13872441 in words is "thirteen million, eight hundred seventy-two thousand, four hundred forty-one".