1263353 has 8 divisors (see below), whose sum is σ = 1555008. Its totient is φ = 999504.

The previous prime is 1263347. The next prime is 1263373. The reversal of 1263353 is 3533621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1263353 - 2⁴ = 1263337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1263323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6851 + ... + 7032.

It is an arithmetic number, because the mean of its divisors is an integer number (194376).

2^1263353 is an apocalyptic number.

1263353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1263353 is a deficient number, since it is larger than the sum of its proper divisors (291655).

1263353 is a wasteful number, since it uses less digits than its factorization.

1263353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13903.

The product of its digits is 1620, while the sum is 23.

The square root of 1263353 is about 1123.9897686367. The cubic root of 1263353 is about 108.1039522665.

Adding to 1263353 its sum of digits (23), we get a square (1263376 = 1124²).

Adding to 1263353 its reverse (3533621), we get a palindrome (4796974).

The spelling of 1263353 in words is "one million, two hundred sixty-three thousand, three hundred fifty-three".