12381061 has 16 divisors (see below), whose sum is σ = 16109568. Its totient is φ = 9226800.

The previous prime is 12381053. The next prime is 12381067. The reversal of 12381061 is 16018321.

It is not a de Polignac number, because 12381061 - 2³ = 12381053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12381067) 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, 1725 + ... + 5266.

It is an arithmetic number, because the mean of its divisors is an integer number (1006848).

Almost surely, 2^12381061 is an apocalyptic number.

12381061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12381061 is a deficient number, since it is larger than the sum of its proper divisors (3728507).

12381061 is a wasteful number, since it uses less digits than its factorization.

12381061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7032.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 12381061 is about 3518.6731874387. The cubic root of 12381061 is about 231.3410066931.

Adding to 12381061 its reverse (16018321), we get a palindrome (28399382).

The spelling of 12381061 in words is "twelve million, three hundred eighty-one thousand, sixty-one".