1306553212 has 6 divisors (see below), whose sum is σ = 2286468128. Its totient is φ = 653276604.

The previous prime is 1306553179. The next prime is 1306553219. The reversal of 1306553212 is 2123556031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306553219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163319148 + ... + 163319155.

Almost surely, 2^1306553212 is an apocalyptic number.

It is an amenable number.

1306553212 is a deficient number, since it is larger than the sum of its proper divisors (979914916).

1306553212 is a wasteful number, since it uses less digits than its factorization.

1306553212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326638307 (or 326638305 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 1306553212 is about 36146.2752161270. The cubic root of 1306553212 is about 1093.2236893898.

The spelling of 1306553212 in words is "one billion, three hundred six million, five hundred fifty-three thousand, two hundred twelve".