12344477 has 2 divisors, whose sum is σ = 12344478. Its totient is φ = 12344476.

The previous prime is 12344443. The next prime is 12344513. The reversal of 12344477 is 77444321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12292036 + 52441 = 3506^2 + 229^2 .

It is an emirp because it is prime and its reverse (77444321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12344477 - 2⁶ = 12344413 is a prime.

It is a super-2 number, since 2×12344477² = 304772224807058, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12344677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6172238 + 6172239.

It is an arithmetic number, because the mean of its divisors is an integer number (6172239).

Almost surely, 2^12344477 is an apocalyptic number.

It is an amenable number.

12344477 is a deficient number, since it is larger than the sum of its proper divisors (1).

12344477 is an equidigital number, since it uses as much as digits as its factorization.

12344477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 32.

The square root of 12344477 is about 3513.4707911124. The cubic root of 12344477 is about 231.1129236808.

Adding to 12344477 its reverse (77444321), we get a palindrome (89788798).

It can be divided in two parts, 12344 and 477, that added together give a palindrome (12821).

The spelling of 12344477 in words is "twelve million, three hundred forty-four thousand, four hundred seventy-seven".