12461911 has 12 divisors (see below), whose sum is σ = 15655696. Its totient is φ = 9709920.

The previous prime is 12461887. The next prime is 12461927. The reversal of 12461911 is 11916421.

12461911 = T₅₃₀ + T₅₃₁ + ... + T₆₀₆.

It is not a de Polignac number, because 12461911 - 2¹⁵ = 12429143 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12461971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6510 + ... + 8203.

Almost surely, 2^12461911 is an apocalyptic number.

12461911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12461911 is a deficient number, since it is larger than the sum of its proper divisors (3193785).

12461911 is a wasteful number, since it uses less digits than its factorization.

12461911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14742 (or 14731 counting only the distinct ones).

The product of its digits is 432, while the sum is 25.

The square root of 12461911 is about 3530.1431982286. The cubic root of 12461911 is about 231.8434772113.

Subtracting from 12461911 its reverse (11916421), we obtain a triangular number (545490 = T₁₀₄₄).

The spelling of 12461911 in words is "twelve million, four hundred sixty-one thousand, nine hundred eleven".