12903007 has 4 divisors (see below), whose sum is σ = 13895560. Its totient is φ = 11910456.

The previous prime is 12903001. The next prime is 12903013. The reversal of 12903007 is 70030921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70030921 = 71 ⋅986351.

It is an interprime number because it is at equal distance from previous prime (12903001) and next prime (12903013).

It is a cyclic number.

It is not a de Polignac number, because 12903007 - 2¹¹ = 12900959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12903001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496257 + ... + 496282.

It is an arithmetic number, because the mean of its divisors is an integer number (3473890).

Almost surely, 2^12903007 is an apocalyptic number.

12903007 is a deficient number, since it is larger than the sum of its proper divisors (992553).

12903007 is an equidigital number, since it uses as much as digits as its factorization.

12903007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992552.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 12903007 is about 3592.0755838373. The cubic root of 12903007 is about 234.5472314366.

Adding to 12903007 its reverse (70030921), we get a palindrome (82933928).

The spelling of 12903007 in words is "twelve million, nine hundred three thousand, seven".