12058981 has 6 divisors (see below), whose sum is σ = 13255046. Its totient is φ = 10962600.

The previous prime is 12058973. The next prime is 12058993. The reversal of 12058981 is 18985021.

12058981 = T₅₄ + T₅₅ + ... + T₄₁₆.

It can be written as a sum of positive squares in only one way, i.e., 10458756 + 1600225 = 3234^2 + 1265^2 .

It is not a de Polignac number, because 12058981 - 2³ = 12058973 is a prime.

It is a super-2 number, since 2×12058981² = 290838045516722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12058181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49710 + ... + 49951.

Almost surely, 2^12058981 is an apocalyptic number.

12058981 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12058981 is a deficient number, since it is larger than the sum of its proper divisors (1196065).

12058981 is an equidigital number, since it uses as much as digits as its factorization.

12058981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99683 (or 99672 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 12058981 is about 3472.6043540835. The cubic root of 12058981 is about 229.3173267083.

The spelling of 12058981 in words is "twelve million, fifty-eight thousand, nine hundred eighty-one".