12438061 has 2 divisors, whose sum is σ = 12438062. Its totient is φ = 12438060.

The previous prime is 12438053. The next prime is 12438077. The reversal of 12438061 is 16083421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11600836 + 837225 = 3406^2 + 915^2 .

It is a cyclic number.

It is not a de Polignac number, because 12438061 - 2³ = 12438053 is a prime.

It is a super-2 number, since 2×12438061² = 309410722879442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12438091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6219030 + 6219031.

It is an arithmetic number, because the mean of its divisors is an integer number (6219031).

Almost surely, 2^12438061 is an apocalyptic number.

It is an amenable number.

12438061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12438061 is an equidigital number, since it uses as much as digits as its factorization.

12438061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 12438061 is about 3526.7635304908. The cubic root of 12438061 is about 231.6954796269.

The spelling of 12438061 in words is "twelve million, four hundred thirty-eight thousand, sixty-one".