12841491 has 8 divisors (see below), whose sum is σ = 18439120. Its totient is φ = 7902432.

The previous prime is 12841489. The next prime is 12841523. The reversal of 12841491 is 19414821.

12841491 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12841491 - 2¹ = 12841489 is a prime.

It is a super-2 number, since 2×12841491² = 329807782206162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12841091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164596 + ... + 164673.

It is an arithmetic number, because the mean of its divisors is an integer number (2304890).

Almost surely, 2^12841491 is an apocalyptic number.

12841491 is a deficient number, since it is larger than the sum of its proper divisors (5597629).

12841491 is a wasteful number, since it uses less digits than its factorization.

12841491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329285.

The product of its digits is 2304, while the sum is 30.

The square root of 12841491 is about 3583.5026161564. The cubic root of 12841491 is about 234.1738973267.

It can be divided in two parts, 1284 and 1491, that added together give a triangular number (2775 = T₇₄).

The spelling of 12841491 in words is "twelve million, eight hundred forty-one thousand, four hundred ninety-one".